diff --git a/metadata/db-xrefs.yaml b/metadata/db-xrefs.yaml
index 7b234c0d..c014c441 100644
--- a/metadata/db-xrefs.yaml
+++ b/metadata/db-xrefs.yaml
@@ -368,9 +368,9 @@
   entity_types:
     - type_name: entity
       type_id: BET:0000000
-      url_syntax: http://www.ncbi.nlm.nih.gov/COG/new/release/cow.cgi?cog=[example_id]
+      url_syntax: https://www.ncbi.nlm.nih.gov/research/cog/cog/[example_id]
       example_id: COG_Cluster:COG0001
-      example_url: http://www.ncbi.nlm.nih.gov/COG/new/release/cow.cgi?cog=COG0001
+      example_url: https://www.ncbi.nlm.nih.gov/research/cog/cog/COG0001
 - database: COG_Function
   name: NCBI COG function
   generic_urls: